The internalization of newly created knowledge is the conversion of explicit knowledge into the organization's tacit knowledge. This requires the individual to identify the knowledge relevant for ones self within the organizational knowledge. That again requires finding ones self in a larger entity. Learning by doing, training and exercises allow the individual to access the knowledge realm of the group and the entire organization.
In practice, internalization relies on two dimensions:
Resource: Ikujiro Nonaka, Noboru Konno, The concept of "Ba: Building foundation for Knowledge Creation.
California Management Review Vol 40, No.3 Spring 1998.